Table of contents

1. Matter and Measurements4h 31m
2. Atoms and the Periodic Table5h 23m
3. Ionic Compounds2h 18m
4. Molecular Compounds2h 18m
5. Classification & Balancing of Chemical Reactions3h 17m
6. Chemical Reactions & Quantities2h 27m
7. Energy, Rate and Equilibrium3h 46m
8. Gases, Liquids and Solids3h 25m
9. Solutions4h 10m
10. Acids and Bases3h 29m
11. Nuclear Chemistry56m
BONUS: Lab Techniques and Procedures1h 38m
BONUS: Mathematical Operations and Functions47m
12. Introduction to Organic Chemistry1h 34m
13. Alkenes, Alkynes, and Aromatic Compounds2h 12m
14. Compounds with Oxygen or Sulfur1h 6m
15. Aldehydes and Ketones1h 1m
16. Carboxylic Acids and Their Derivatives1h 11m
17. Amines39m
18. Amino Acids and Proteins1h 51m
19. Enzymes1h 37m
20. Carbohydrates1h 41m
21. The Generation of Biochemical Energy2h 8m
22. Carbohydrate Metabolism2h 22m
23. Lipids2h 26m
24. Lipid Metabolism1h 45m
25. Protein and Amino Acid Metabolism1h 37m
26. Nucleic Acids and Protein Synthesis2h 54m

1. Matter and Measurements

Physical Properties

GOB Chemistry

1. Matter and Measurements

Physical Properties

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0:58 minutes

Problem 10a

Textbook Question

Describe each of the following as a physical or chemical property:
a. Neon is a colorless gas at room temperature.

Verified step by step guidance

Step 1: Understand the difference between physical and chemical properties. A physical property is a characteristic of a substance that can be observed or measured without changing its chemical identity, such as color, state of matter, or boiling point. A chemical property, on the other hand, describes a substance's ability to undergo a chemical change or reaction, such as flammability or reactivity.

Step 2: Analyze the given statement: 'Neon is a colorless gas at room temperature.' This describes the appearance (colorless) and state of matter (gas) of neon under standard conditions.

Step 3: Determine whether the property involves a change in the chemical identity of neon. Since the statement only describes observable characteristics (color and state) without any mention of a chemical reaction or change, it does not involve a chemical transformation.

Step 4: Conclude that the property described is a physical property because it pertains to the observable characteristics of neon without altering its chemical composition.

Step 5: Summarize the reasoning: The fact that neon is a colorless gas at room temperature is a physical property because it describes its physical state and appearance without involving a chemical change.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Physical Property

A physical property is a characteristic of a substance that can be observed or measured without changing its chemical identity. Examples include color, odor, boiling point, and state of matter. In the case of neon being a colorless gas at room temperature, this observation does not alter the chemical structure of neon itself.

Chemical Property

A chemical property describes a substance's ability to undergo a specific chemical change or reaction. This includes reactivity with other substances, flammability, and acidity. Unlike physical properties, chemical properties can only be observed during a chemical reaction, which is not applicable to the description of neon as a gas.

State of Matter

The state of matter refers to the distinct forms that different phases of matter take on, primarily solid, liquid, gas, and plasma. Neon, being a gas at room temperature, indicates its state of matter, which is determined by temperature and pressure conditions. This property is crucial for understanding the behavior of gases in various environments.

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Describe each of the following as a physical or chemical property: a. Neon is a colorless gas at room temperature.

Key Concepts

Physical Property

Chemical Property

State of Matter

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Describe each of the following as a physical or chemical property:
a. Neon is a colorless gas at room temperature.